package cn.yznu.rzgskhgl.util;
import java.text.SimpleDateFormat;  
import net.sf.json.JsonConfig;  
import net.sf.json.processors.JsonValueProcessor;  
  
public class DateJsonValueProcessor implements JsonValueProcessor  
{  
      
    private String format;  
    public DateJsonValueProcessor(String format){  
        this.format = format;  
    }  
      
    public Object processArrayValue(Object value, JsonConfig jsonConfig)  
    {  
        return null;  
    }  
  
    public Object processObjectValue(String key, Object value, JsonConfig jsonConfig)  
    {  
        if(value == null)  
        {  
            return "";  
        }  
        if(value instanceof java.sql.Timestamp)  
        {  
            String str = new SimpleDateFormat(format).format((java.sql.Timestamp)value);  
            return str;  
        }  
        if (value instanceof java.util.Date)  
        {  
            String str = new SimpleDateFormat(format).format((java.util.Date) value);  
            return str;  
        }  
          
        return value.toString();  
    }  
}  